81837912

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{20177}}^1$

素因数の和:20212

約数の個数: 48

約数和(自身を含む): 221554440

約数和(自身を除く): 139716528

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 312, 338, 507, 676, 1014, 1352, 2028, 4056, 20177, 40354, 60531, 80708, 121062, 161416, 242124, 262301, 484248, 524602, 786903, 1049204, 1573806, 2098408, 3147612, 3409913, 6295224, 6819826, 10229739, 13639652, 20459478, 27279304, 40918956, 81837912]

約数ペア:

[(1, 81837912), (2, 40918956), (3, 27279304), (4, 20459478), (6, 13639652), (8, 10229739), (12, 6819826), (13, 6295224), (24, 3409913), (26, 3147612), (39, 2098408), (52, 1573806), (78, 1049204), (104, 786903), (156, 524602), (169, 484248), (312, 262301), (338, 242124), (507, 161416), (676, 121062), (1014, 80708), (1352, 60531), (2028, 40354), (4056, 20177)]